The R Range Hydraulic Hammer

Arrowhead Rockdrill’s R Range hydraulic hammers bring a new industry leading tie-rodless hammer to the market. Based around a unique design the R Range hammers eliminate the need for tie rods in the hammer assembly increasing the robustness of the hammer while simplifying its construction.

The R Range hammers are a compact and powerful design suitable for a wide variety of applications all with the effective price and industry leading support our customers deserve.

Features of the ‘R’ Range

• Tie-rodless hammer design
• Narrow round box provides superior access to surfaces in confined spaces such as trenching work
• Vibration and sound supressed at standard
• The hammer can be fully serviced using no specialist tools
• Powerful gas fired operation using less oil at lower working pressures
• Excavator friendly

Hammer Specification	unit	R40	R45	R55	R65
Max energy per blow	J	260	550	680	850
Require flow	lpm	14-30	25-45	40-60	45-70
Operating pressure	bar	120	90	110	110
Blows per min	per min	650-1100	650-1100	700-1250	550-1200
Guaranteed sound power	dB	112	116	117	118
Tool diameter	mm	40	45	55	65
Working weight	kg	85	120	135	190
Carrier weight	Tonnes	0.7-1.5	1.5-2.8	2.8-4.0	4.0-5.5

Hammer Specification	unit	R70	R75	R80
Max energy per blow	J	1000	1200	1400
Require flow	lpm	55-80	70-100	80-110
Operating pressure	bar	110	120	120
Blows per min	per min	650-1400	650-1400	550-1200
Guaranteed sound power	dB	118	121	121
Tool diameter	mm	70	75	80
Working weight	kg	210	305	375
Carrier weight	Tonnes	5.0-7.0	6.5-8.5	7.0-10.0

Call: 01926 659998 or email: sales@johnstonplant.com for more information.